Fig. 1From: Prevalence of ‘Candidatus Accumulibacter phosphatis’ type II under phosphate limiting conditionsSolids concentrations in the SBR-reactor during long-term operation: total suspended solids (TSS) concentration (filled circle), volatile suspended solids (VSS) concentration (open circle) and the ratio of inorganic suspended solids (ISS)/TSS (filled square)Back to article page